ProSport Generation 3 On-Board Marine Battery Chargers have been taken to the next level of design and performance. Utilizing state of the art all digital microprocessor controlled charging technology, ProSport delivers fast charge times, in a 100% waterproof and shockproof design that is now up to 40% lighter than the previous generation of epoxy filled chargers. ProMar Digital Performance Charging is the latest in digital pulse charging technology, providing cooler operation and fully automatic charging, conditioning and maintaining modes for all batteries connected. ProSport incorporates Distributed-On-Demand™ Charging technology which takes 100% of the available charging amps and distributes them to any one battery or combination of all batteries as needed for faster charging.